WO2002069059A2 - Module de commande pour les systemes de chauffage, ventilation et climatisation - Google Patents

Module de commande pour les systemes de chauffage, ventilation et climatisation Download PDF

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Publication number
WO2002069059A2
WO2002069059A2 PCT/US2002/005896 US0205896W WO02069059A2 WO 2002069059 A2 WO2002069059 A2 WO 2002069059A2 US 0205896 W US0205896 W US 0205896W WO 02069059 A2 WO02069059 A2 WO 02069059A2
Authority
WO
WIPO (PCT)
Prior art keywords
speech
control module
hvac system
transmitter
hvac
Prior art date
Application number
PCT/US2002/005896
Other languages
English (en)
Other versions
WO2002069059A3 (fr
Inventor
Tomas Diez
Mary Jo Cunn
H Ezzat Khalifa
Christian Netter
Timothy M. Remmers
William Weiss
Felipe Costa
Carlos Rodrigues
Michael Tedone
Thomas Hamilton
Original Assignee
Carrier Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Carrier Corporation filed Critical Carrier Corporation
Priority to MXPA03007687A priority Critical patent/MXPA03007687A/es
Priority to BR0207568-7A priority patent/BR0207568A/pt
Priority to AU2002252125A priority patent/AU2002252125A1/en
Publication of WO2002069059A2 publication Critical patent/WO2002069059A2/fr
Publication of WO2002069059A3 publication Critical patent/WO2002069059A3/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control

Definitions

  • the invention relates to speech recognition-based control for HVAC systems such as window air conditioners and the like.
  • HVAC Heating, ventilating and air conditioning
  • Speech recognition technology is rapidly advancing, and low cost computer speech recognition systems now exist as artificial neural networks on computer chips. Such chips are available at low cost, and can be used in relatively quiet environments, for example, where acoustic measurements are generally less than about 60 dB A, to issue commands to electronic devices.
  • HVAC systems such as window air conditioners.
  • a control system for a heating, ventilating or air conditioning (HVAC) system, which control system comprises a remote command receiver for receiving HVAC system instructions for said HVAC system; and a control module, comprising (i) a speech receiving member for receiving speech commands; and (ii) a converter for converting said speech commands to HVAC system instructions; wherein said module is communicated with said receiver for conveying said HVAC system instructions from said module to said receiver.
  • HVAC heating, ventilating or air conditioning
  • a control module for controlling a heating, ventilating or air conditioning (HVAC) system which comprises a speech receiving member for receiving speech commands; a converter for converting said speech commands to HVAC system instructions; and a transmitter for transmitting said HVAC system instructions to said HVAC system.
  • HVAC heating, ventilating or air conditioning
  • Figure 1 schematically illustrates a system and control module in accordance with the present invention
  • Figure 2 illustrates a preferred embodiment of a control module in an environment of use
  • FIG. 3 is a flow chart illustrating operation of the control module of the invention.
  • HVAC heating, ventilating and air conditioning
  • WRAC window air conditioners
  • speech recognition capability is incorporated into a control module for the HVAC system such that speech commands are received and recognized at a point which is removed from the HVAC system, thereby avoiding the difficulties caused by sound generated by the HVAC system.
  • Figure 1 schematically illustrates a system in accordance with the present invention.
  • an HVAC system such as a window air conditioner 10 is advantageously controlled according to the invention using a control module 12.
  • Control module 12 receives and recognizes speech commands 13 and prepares and issues HVAC system instructions 15 to HVAC system 10.
  • Control module 12 can advantageously be positioned at a location remote from HVAC system 10, but communicated with system 10, such that speech commands can be used to control system 10 as desired.
  • HVAC system 10 is advantageously provided with a remote command receiver 14 which is adapted to receive HVAC system instructions, preferably wireless transmitted instructions such as light-based instructions, radio instructions, and the like, from control module 12, and to operate system 10 in accordance with such received HVAC system instructions.
  • a remote command receiver 14 which is adapted to receive HVAC system instructions, preferably wireless transmitted instructions such as light-based instructions, radio instructions, and the like, from control module 12, and to operate system 10 in accordance with such received HVAC system instructions.
  • control module 12 advantageously includes a speech receiving member 16 such as a microphone, which can be internal or external, and which is preferably a multi or omni-directional microphone such that control module 12 can receive speech commands from different locations in a room or other environment of use.
  • a speech receiving member 16 such as a microphone, which can be internal or external, and which is preferably a multi or omni-directional microphone such that control module 12 can receive speech commands from different locations in a room or other environment of use.
  • Receiving member 16 is positioned on module 12 for effectively receiving speech commands, for example in a location which is not obstructed by module housing components or the like.
  • module 12 advantageously includes a speech recognition member 18 which may advantageously be a speech recognition neural network chip and software which are well known to a person of ordinary skill in the art.
  • module 12 preferably further includes a command generator 20 which advantageously serves to convert words or speech received and recognized by module 12 into instructions for generating a suitable transmission containing the desired control commands for system 10. Instructions from command generator 20 are then advantageously conveyed to remote control circuit 22, which is adapted to generate commands for issuing the desired HVAC system instructions.
  • Circuit 22 may be adapted to emulate switch closures, for example using multi-plexers, to perform the equivalent of electronically pressing buttons on a matrix of membrane switch contacts on a PC board or the like, for sequencing a transmitter of instructions such as an infrared light emitting diode (LED) transmitter 24, which is positioned to transmit to system 10 such that receiver 14 receives instructions issued by transmitter 24 as desired.
  • a transmitter of instructions such as an infrared light emitting diode (LED) transmitter 24
  • LED infrared light emitting diode
  • circuit 22 could be adapted to issue commands to transmitter 24 in other ways as well, which would be readily known to a person of ordinary skill in the art.
  • module 12 is also provided with an indicator for acknowledging commands.
  • the indicator may be a speech simulator member, for example including a speaker 26 and a signal generator such as a speech synthesizing response generator or plurality of pre-recorded words, phrases or other responses which can be associate with suitable programming for selecting a proper response.
  • module 12 can advantageously be adapted to respond to or acknowledge speech commands received by microphone 16 and recognized by speech recognition member 18.
  • the response or acknowledgement is any pre-programmed speech response, for example an identification of the command received or a prompt for more speech commands .
  • Module 12 may advantageously be utilized to control system 10 in accordance with the present invention as follows.
  • a user speaks a command word in the vicinity of microphone 16, and microphone 16 detects the sound pressure waves from the user's voice.
  • the microphone is advantageously adapted to convert the sound pressure waves to voltages, and transmits these voltages to speech recognition member 18.
  • Speech recognition member 18 is adapted to digitize the command signal represented by the voltages, and to determine whether the command spoken into microphone 16 is a recognized command.
  • speech recognition member 18 preferably includes a storage member for storing known speech patterns and corresponding instructions.
  • Speech recognition member 18 may advantageously be adapted to generate one or more words, preferably in ASCII text or any other suitable form, which represent the received speech command, and these word(s) are then transmitted to command generator 20.
  • Command generator 20 is preferably adapted to analyze the word or words it receives to determine whether the word or word string can be parsed into a complete command for system 10.
  • command generator 20 may advantageously also be provided with a storage member, or may share a storage member with speech recognition member 18, for storing information sufficient to identify complete commands when received.
  • command generator 20 Upon receipt of a complete command at command generator 20, command generator 20 advantageously converts the command to instructions for transmitting a signal, for example by emulating switch closures, for example by using multi-plexers to perform the equivalent of electronically pressing buttons on a matrix of membrane switch contacts on a PC board.
  • a matrix of membrane switch contacts on a PC board, and emulation of switch closure of same is known to a person of ordinary skill in the art and is a component of remote control circuit 22.
  • other conversion or encoding techniques may be used.
  • module 12 is adapted to generate an indicator, preferably a speech response, which replies to or otherwise acknowledges the speech commands received at microphone 16.
  • an indicator preferably a speech response
  • the indicator could also be any other detectable condition such as a light, or an audible tone, and the like, as well as combinations of such indicators.
  • remote control circuit 22 in this embodiment is connected to an infrared LED transmitter 24.
  • LED transmitter 24 is advantageously positioned on module 12 so as to facilitate communication of infrared signals to HVAC system 10.
  • control module 12 positions, or has previously positioned, control module 12 such that signals from LED 24 are received by the system to be controlled, and a signal or signal sequence is conveyed from module 12 to receiver 14 for controlling system 10 in accordance with the present invention.
  • module 12 in accordance with the present invention allows a user to control an HVAC system utilizing speech commands only, without the need to manipulate potentially difficult controls and without needing sufficient mobility to approach system 10. Further, the system of the present invention reduces or avoids complications caused by noise generated by the system.
  • the neural network chip forming speech recognition member 18 allows for module 12 to be trained, if necessary, so as to correlate various personalized speech patterns of a particular user to various HVAC system commands whereby a module 12 in accordance with the present invention can be adapted to the speech and needs of individual users.
  • infrared signals Although this disclosure is given in terms of infrared signals, it should readily be appreciated that other signals such as radio or other light-based signals could be used in complete accordance with the present invention. Further, it is within the broad scope of the present invention to communicate module 12 with system 10 in any known manner, including conventional wiring. Wireless communication is preferred, however, so as to allow the user greater versatility in positioning of module 12. It is further preferred to communicate module 12 and system 10 using light-based signals and/or radio signals, and of currently available technology, infrared communications are particularly suitable.
  • system and module of the present invention can be used to enhance control options for other types of HVAC systems as well, such as heaters, air filtering equipment, ventilation systems, refrigeration systems and the like.
  • Speech recognition member 18 may advantageously be adapted so as to repeat recognized speech commands received at microphone 16, and/or may further be adapted to prompt the user that a command is complete/incomplete, and further as to what additional type of information is needed to complete the incomplete command.
  • module 12 is provided in the form of a unit having a base 28 which is adapted for positioning on a flat surface such as a table 30.
  • Control module 12 has an omnidirectional microphone 16 and transmitter 24 which receive from and transmit to all directions, respectively. This configuration further expands the ability of a user to position module 12 in a particularly desirable location.
  • Control module 12 in this embodiment has a housing containing the required elements of module 12 with microphone 16 and transmitter 24 positioned at the top of the housing for enhancing operation of same.
  • module 12 in this embodiment is preferably adapted to receive a DC power supply through an AC-DC transformer 32 which can be plugged into a conventional DC power source or outlet.
  • a power supply arrangement advantageously allows for module 12 to be left on for extended periods of time, whereby module 12 can continuously monitor for speech commands .
  • module 12 can advantageously be used to control HVAC system 10 by a person located within speaking distance of module 12. This is particularly advantageous to a person who has lost mobility and/or manual dexterity, and would therefore be presented with difficulty in either utilizing controls 34 on system 10 itself, or in using conventional remote control devices which must be located, pointed properly at system 10, and then must have buttons and/or other manual controls properly manipulated.
  • control module 12 having a substantially pyramid-shaped housing with microphone 16 and transmitter 24 mounted at a top thereof, other configurations could be used.
  • module 12 advantageously continuously monitors to determine whether a command has been received.
  • module 12 compares the received command with known speech patterns to determine whether a match exists. If a match exists, receipt of the command is advantageously acknowledged, preferably by issuing a sound, preferably a speech signal, through speaker 26. If the received command does not match the stored known speech patterns, module 12 cycles back to receiving mode where received sounds are analyzed to determine matches with known speech patterns .
  • Module 12 may advantageously be programmed to listen for a key command which then allows other commands to be recognized. This advantageously reduces the likelihood of accidental issuance of commands to module 12, and/or the unauthorized issuance of commands, for example by young children.
  • module 12 After a received command is acknowledged, module 12 in accordance with the present invention analyzes the received and recognized command to determine whether a complete command has been received. If a complete command has not been received, module 12 cycles back to receive further portions of the command as shown in Figure 3. If the command is a complete command, module 12 converts the received command into HVAC system instructions, or instructions for generating HVAC system instructions, and then transmits the HVAC system instructions to the system in question, for example through transmitter 24. Of course, following transmission of HVAC system instructions to system 10, module 12 cycles back to receiving mode where additional commands are awaited.
  • control system and module have been provided according to the invention which provide greatly enhanced control options for controlling various HVAC systems.
  • Such enhanced control options are particularly useful for all users, and especially for those who have difficulty using conventional control panels and/or conventional manually operated remote control devices.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Air Conditioning Control Device (AREA)
  • Selective Calling Equipment (AREA)

Abstract

L'invention concerne un système de commande pour un système de chauffage, ventilation, climatisation. Ce système comprend un récepteur de commande à distance pour recevoir les instructions du système de chauffage, ventilation, climatisation et un module de commande comprenant (i) un organe de réception de la parole pour recevoir les commandes vocales ; et (ii) un convertisseur pour convertir les commandes vocales en instructions du système de chauffage, ventilation, climatisation. Ce module communique avec le récepteur pour transmettre les instructions du système de chauffage, ventilation et climatisation du module au récepteur.
PCT/US2002/005896 2001-02-28 2002-02-26 Module de commande pour les systemes de chauffage, ventilation et climatisation WO2002069059A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
MXPA03007687A MXPA03007687A (es) 2001-02-28 2002-02-26 Modulo de control para sistemas hvac.
BR0207568-7A BR0207568A (pt) 2001-02-28 2002-02-26 Sistema de controle para sistema de aquecimento, ventilação ou condicionamento de ar e módulo de controle para o mesmo
AU2002252125A AU2002252125A1 (en) 2001-02-28 2002-02-26 Controle module for hvac systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27218801P 2001-02-28 2001-02-28
US60/272,188 2001-02-28

Publications (2)

Publication Number Publication Date
WO2002069059A2 true WO2002069059A2 (fr) 2002-09-06
WO2002069059A3 WO2002069059A3 (fr) 2003-03-06

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PCT/US2002/005896 WO2002069059A2 (fr) 2001-02-28 2002-02-26 Module de commande pour les systemes de chauffage, ventilation et climatisation

Country Status (6)

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US (1) US20020123896A1 (fr)
CN (1) CN100380263C (fr)
AU (1) AU2002252125A1 (fr)
BR (1) BR0207568A (fr)
MX (1) MXPA03007687A (fr)
WO (1) WO2002069059A2 (fr)

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KR20040037638A (ko) * 2002-10-29 2004-05-07 씨멘스브이디오한라 주식회사 핸즈프리를 이용한 음성 인식 에이티씨 제어장치
US10215436B1 (en) 2011-05-02 2019-02-26 John M. Rawski Full spectrum universal controller

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CN1496501A (zh) 2004-05-12
WO2002069059A3 (fr) 2003-03-06
CN100380263C (zh) 2008-04-09
BR0207568A (pt) 2004-07-27
AU2002252125A1 (en) 2002-09-12
MXPA03007687A (es) 2004-11-12
US20020123896A1 (en) 2002-09-05

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